Concrete groove tool



FIG. 1 is a perspective view of the concrete groove tool showing the new design;

FIG. 2 is a front view of the concrete groove tool, the rear view side being a mirror image thereof;

FIG. 3 is a left side view of the concrete groove tool, the right side view being a mirror image thereof;

FIG. 4 is a bottom plan view of the concrete groove tool; and,

FIG. 5 is a top plan view of the concrete groove tool.

The broken lines of FIGS. 1, 2, and 3 depict portions of a concrete finishing tool incorporating the concrete groove tool but do not form any part of the claimed design. 

The ornamental design for a concrete groove tool, as shown and described. 